459 lines
19 KiB
Plaintext
459 lines
19 KiB
Plaintext
# $NetBSD: history,v 1.4 1998/01/05 20:51:37 perry Exp $
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3135 - fixed mode selection on boot
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- page up/down, insert and delete now generate the correct codes in
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the console
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- the configured modesare now compiled in a separate file rather
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than in vidcconsole.c
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- The eb timeout reduced to 30 secs
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- clreos problems fixed
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- / on the keypad generated the correct code
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- the block cursor hove down 2 scan lines to align with characters
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- extended irq renamed netslot
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- extra double mapping of kstack removed
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- kstack located at efbfe000
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- implementation of cpu_swapin() to remap the kstack
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- patch to vm_glue to use kmem_alloc for the kstack
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- extra pmap debugging code added with DEBUG669
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- the pventry tables can not be dumped from the kshell
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or from a running system.
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- merged console code v133 into kernel
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- the disklabel code no longer prints a warning if a HD is found
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without a adfs partition
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- the kbd driver now is capable of setting the keyboard leds.
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- added ioctl to set the keyboard leds.
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- added a routine to read the keyboard state.
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- added a routine to set the keyboard state.
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- added some prototypes to kbd.h
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- implmented irq_setmasks() as an assembly function.
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- added an extra disable irq mask
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- the irq bits from IOMD reg A are cleared as soon as req A is read
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- Debugged the plip driver. The ip packet is now word aligned when
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passed to the upper network levels
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20/09/95
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- the cpu_switch routine checks the amount of stack space used when
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swapping in a task and prints a warning when 6K has been used
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- removed the remnants of the old kstack double mapping
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- a separate message is printed for umounts during a halt.
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- added extra validation in copyin() copyout() copyinstr() and
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copyoutstr()
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- podule irq handler no longer panics
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- Lark A16 podule now recognised
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- section permission faults now cause bus errors
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- the syscall handler now correctly uses bcopy to copy the register
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passed parameters
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- the copyin() function now validates the uaddrs argumant
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- the kstack is filled with a know pattern on a fork()
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- the postmortem code will check the size of the kstack fill pattern
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- the assembly bcopyinout() now returns EFAULT on error
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- the copyin() copyout() copyinstr() copyoutstr() now return EFAULT
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if the validation checks fail.
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23/09/95
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- the fault handler will report faults from (fu/su)iwintr()
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- added new pmap function to return the address of the next physical
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page (pmap_next_phys_page).
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- added code to machdep.c to compare the page number against
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pmap_next_phys_page() to try and locate source to kernel size
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limit
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- added option to syscall_special (32) to return the address of the
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next physical page.
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- fixed the primary bootstrap to map more memory for the secondary
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bootstrap to use.
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- The 936K kernel size limit has been removed.
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- Added support for KTRACE in syscall.c
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- Seondary bootstrap now zeros down its memory
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- cpu_switch now zeros curpcb while there is no valid process
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-
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1/10/95
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- cpuswitch now detects trahsed stacks.
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- new compile option for generation of enhanced postmortem debugging
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- merged console code 183b
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- implemented a memcpy routine
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- removed remnants of the kstackpte's
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- cleaned old commented debugging code out of cpu_switch
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- Added new comments in exception.S
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- userret() check for a non-zero proc pointer
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- extended postmortem debug for cpu_switch bug
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- updated prototype declarations in machdep.c
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- fixed passing of proc0 pointer into cpu_switch from switch_exit
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- podulebus now recognised Lingenuity podules
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- Lingenuity 16bit SCSI card recognised
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3/10/95
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- new compile option ROTTEN_INARDS to dump full debugging info on
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postmortem
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- Rewritten postmortem debug information printout
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- Postmortem will now examine the IRQ stack for traceback info
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- Fix cpu_exit() bug thus could result in the idle being entered at
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splhigh()
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- Added function prototypes for functions called in vm_machdep.c
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- boot0() now makes sure IRQ's and FIQ's have been disabled
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- The ARM700 FPA is now correctly turned off during boot
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- A major has been allocated for the vidcaudio device (36)
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- vidcaudio.c added to mainbus/ and associated support added in
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conf/ and conf.c
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- Patch to the console code to report the version number
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- Latest version of dev/isa/com.c merged into mainbus/com.c
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- Latest version of dev/isa/lpt.c merged into mainbus/lpt.c
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- Latest version of dev/isa/wd.c merged into mainbus/wd.c
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- new assembly version of copystr added
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- buffer address for beep0 removed from attach message
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- unrecognised undefined instructions are now logged as errors to
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syslog
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- fpe now attaches a coproc2 handler to stap coproc2 FP instructions
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and report an error
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- New compile option FPE_INLINE added to fpe.c to inline some of the
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conversion functions
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- Added new compile option FPE_PROF to fpe.c to compile in FP profiling
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code
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-
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14/10/95
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- added podule id for laser direct card
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- added podule id for morley SCSI card
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- added podule id for AXRE SCSI card
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- added podule id for CC midi max card
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- modified primary/secondary bootstraps to reserve special boot
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- memory for hydra board
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- added hydra device
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- Added cpu identification for all hydra processors
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- Private stacks are allocated to all slave processors
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- All hydra processors are halted on reboot
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- podule code checks for chunk directories but does not try to read
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them yet.
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- polling, immediate execution asc driver written for Acorn SCSI
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card
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- new special syscalls added to aid development of hydra software
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01/11/95
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- kernel built with new netbsd-current source tree
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- arm32 source updated to conform to latest netbsd-current source
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tree
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03/11/95
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- ALT-Cursor Left/Right now work the correct way round
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- ALT-F6 now gernerates the correct code
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- alpha version of the cumana SCSI II driver added
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- alpha version of the ether1 driver added
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- console code upgraded to V191
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- driver directory structure changed.
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- ./src/patch directory updated
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- alpha version of ATAPI CDROM driver added
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- mainbus and podulebus directories split in to public and private
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directories.
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- warnings from validate_trapframe() are prefixed with "VTF"
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- old rpc console stuff removed from files.arm32 and source moved to
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arch/arm32/old/
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- the arch/arm32/pmap_stuff dir has been moved to arch/arm32/old/
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- the _mcount.S and belgium.S files have been moved to old and
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removed from files.arm32
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- the device name to major code in autoconf.c now recognised /dev/cd
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and /dev/wcd
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- the mountroot code in stubs.c will call cd9660_mountroot() instead
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of ffs_mountroot() is the root dev is a CDROM major.
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- major 36 allocated to audio device
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- major 37 allocated to vidcvideo device
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- major 38 allocated to hydra device
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07/11/95
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- cpu_fork() now maps in a page table for each process covering the
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0M-4M block of memory.
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- VM_MIN_ADDRESS lowered to 0x1000
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- cpu_swapout() unmaps the system page at 0x00000000 from its page
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table
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- cpu_swapin() wires down the pagetable covering 0x00000000 and
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maps in the system page at 0x00000000
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- cpu_swapin() and cpu_swapout() moved to vm_machdep.c
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- pmap_enter_pv() no longer panics on duplicate mapping, it just
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prints an warning.
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- alpha version of the powertec SCSI driver
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15/11/95
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- switch_exit now unmaps the system page.
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- added newline to printf in disksubr.c
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- the console code has been moved to the dev directory
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- cumana SCSI II driver upgraded to support interrupts
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- powertec SCSI II driver upgraded to support interrupts
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- the mount root code in stubs.c will attempt to mount
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a hd partition as cd9660 if the ffs_mountroot() fails.
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- added missing copyright notices
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- updated some declarations in header files
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- removed DEBUG669 code from pmap.c
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- new syncing routine written for boot()
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- syncing no longer requires kshell support
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- Added extra comments to the boot() function
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- Implemented cpu_sysctl() function (just returns not supported
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error)
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- The nosync kernel interrupt now correctly uses RB_NOSYNC
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-
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20/11/95
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- restructure of directories contains device files
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- fixed bug in pmap_pte() that could result in non-word
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aligned pointers being returned in a off page boundry virtual
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address was specified.
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-
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24/11/95
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- merged in new netbsd-current source tree
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- removed all the validate_trapframe() calls
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- the ioctl CONSOLE_BLANKTIME now reloads the blank timer
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- the ioctl CONSOLE_BLANKTIME uses the default blank time if a
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negative time is specified.
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- the machine id is now passed in the bootconfig structure
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- the eb0 driver will set the MAC address from the machine id
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if the address has not already been set.
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26/11/95
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- Fixed the definition of va_dcl in arm32/include/varargs.h
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-
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02/12/95
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- Fixed the WriteShort() macro
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- Removed some redundant code from machdep.c
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- cpu_sysctl is now declared to return an int
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- stubs.c now has prototypes for the floppy driver functions it
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calls when loading the ramdisc.
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- further debugging work on the ether3 driver
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10/12/95
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- Added uk device for unknown scsi devices to configuration files
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and conf.c
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- Alpha version of the ether3 ea device driver
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14/12/95
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- Merged in beta version of the ether1 (ie) device driver
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- added ifdefs to stubs.c so the cd9660_mountroot() is only called
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when the kernel is compiled with CD9660
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- created new text file to track all major and minor numbers
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16/12/95
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- define __FORK_BRAINDAMAGE for compilation with the latest NetBSD
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sources
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- boot() now calls doshutdownhooks()
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- merged in frank's new debugger code (process_machdep.c, ptrace.h,
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regs.h)
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- patches stub.c to take account of frank's new code
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- patch cpu.h to give more detail on the PSR bits
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- fixed the setting of p->p_mdregs to point to the trapframe in
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the kernel mapping of kstack rather than the current mapping.
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- removed some redundant code from mem.c
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- commented out all the trace_debug code
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- cpu_coredump moved from stubs.c to vm_machdep.c
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- implemented ptrace.S in libc
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- boot() no longer sets the curproc to proc0 if it was zero.
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- spl's added to the console locking code
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-
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19/12/95
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- merged in new console code (V203) from Nut
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- dosoftints() now calls pppintr()
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21/12/95
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- sys_sysarch() no longer panics but returns EINVAL instead.
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- added 3 new debugging syscalls for tracing the vnode bug
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- identified what goes wrong with vnodes resulting in a lockup
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- fixed a number of source file headers
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- Added new comments to a number of routines.
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- readdisklabel() now sets the B_AGE flag on its buffer
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- ether3 drive now reports the controller chip type
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- removed all stand and glue code from kshell
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- added a new debugging syscall to all wakeup() to be called
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24/12/95
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- removed redundant physconinit() call in initarm().
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- updated comments in machdep.c
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- added support for mulitple swap devices to be specified at boot
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time
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- changed debugging output in userret()
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- added extra debugging
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- added new debugging syscalls for tracubg the vnode bug
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- added new debugging commands to the kshell
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- added a new insw16() function for faster block transfers
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- created a patch to fix p_nice
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- the wd driver now supports multisector transfers
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- added a new outsw16() function for faster block transfers but is
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currently untested
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- the existing arm32/fpe directory has been renamed to
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arm32/fpe-sp
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- started work on integrating the ARM FPE
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- a new fpe directory arm32/fpe-arm has been created for the new FPE
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- file arm32/cpu.S renamed to arm32/cpuswitch.S
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- created new mainbus device 'cpu' (mainbus/cpu.c)
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- created new header file include/cpus.h to hold macros and
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structure definitions for cpus.
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- all identify functions for the processor and FPA have been moved
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to mainbus/cpu.c
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- FPE is now attached during the cpu attachment during
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autoconfiguration
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- Identification of CPU and FPU split into separate functions in
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mainbus/cpu.c
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- Added new function initialise_fpe() to fpe-sp/fpe.c This is the
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new initialisation point for the FPE. All vector claiming is done
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in this routine. Routine is also responcible for IDing the FPE.
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- ramdisc memory allocation now only ever done in the ramdisc driver
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- cpu_model now declared in mainbus/cpu.c
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- rpc_configure() renamed to configure()
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- added function need_proftick() to clock.c
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- further development work ARM FPE driver
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- glue code for ARM FPE written and tested.
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- ARM FPE now gets first chance as being installed with
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the existing FPE installed as a fallback if the ARM FPE
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installation failed.
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- Hooks for the ARM FPE added in cpu_fork() cpu_exit() and
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cpu_switch()
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- Recoding of ether3 driver started.
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- More debugging code added to trace vnode bug
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- macro added to syscall.c to handle exit from the syscall handler
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for special development syscalls.
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- Vnode bug idenitfied as a corruption of the first word (v_flag)
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of certain vnodes.
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- Ether3 driver rewritten and debugged. Now a beta stage driver
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- Vnode corruption traced to console code.
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- Ether3 drive now has interface buffer memory tests
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- vnode corruption traced to do_scrolldown() routine in the
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console driver.
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- vnode corruption bug located and fixed. Incorrect loop start and
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end points when scrolling the character map down (writing beyond
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allocated memory).
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- Started work on rewriting the etherB driver
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- cleaned up various header files
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- removed stub.c as it was no longer needed
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- updated strstr.c
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- hydra code hooks now only compiled in if hydra device is
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configured
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- EtherB driver rewritten to match recoding of ether3 driver
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- EtherB driver now a beta stage driver
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- Work started on generic driver code for SEEQ EDLC's
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- vidcvideo device now supports multiple openings
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- EtherB driver now puts the controller to sleep when not active
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- strstr() replaced with version borrowed from libc/string/strstr.c
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05/01/96
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- Further development of ARM FPE
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- generic fas216 code no longer experimental/NDA
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- powertec scsi driver no longer experimental/NDA
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- entry to undefined instruction handlers is now indirected in
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exception.s
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- entry to the undefined instruction handlers is made a trapframe
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on the stack and r0-r12 preserved from exception.
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- bounce code added so the existing undefined instuction handler
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can be called with r0 pointing to the trapframe.
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- new function arm_fpe_copycontext created
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- fixed the use of FP instructions in sfas.c
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- fixed errors in the softint code
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- netns support can be be compiled in the kernel
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- fixed warnings in fpe-sp/fpe.c and mainbus/cpu.c
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10/01/96
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- exception.S updated pending new undefined instruction handling
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code
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- merged in new wd driver from NetBSD-current
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- merged in new com driver from NetBSD-current
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- merged in new fd driver from NetBSD-current
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- created new file sys_machdep.c for machine dependant syscall stuff
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- moved sys_sysctl from machdep.c to sys_machdep.c
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- fixed nested comments in iic.S
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- removed old bug tracing code from cpuswitch.S
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- debugged new fd driver
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13/01/96
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- undefined mode r13 added to the pcb structure
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- new version of the ARM fpe built
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- ARM FPE now has core deactivate routine accessable
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- Call back from ARM FPE added on instruction completion
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- cpu_switch() now switches UND32 mode r13
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- cpu_fork() now sets up UND32 mode r13 in pcb
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- undefined vector now calls stub routine that indirects
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via address held in data area.
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- data abort handler address now held in data area rather
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than text area.
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- prefetch abort handler address now held in data area rather
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than text area.
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- disabled warnings about soft errors from the fd driver
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17/01/96
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- implemented pmap_resident_count()
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- fixed the kernel avail_start and avail_end variable. This
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fixes the divide by zero bug in /bin/ps
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- ps now reports the correct resident size
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19/01/96
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- kernel now supports permission faults in UND32 mode.
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- kernel shell now has kshell> prompt instead of #
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- ramdisc loading code has been moved from stubs.c to fd.c
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- ramdisc loading code now uses a rd_conf structure to
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describe the ramdisc.
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- rd_hooks.c file added to the arm32/dev directory in
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order to support the generic ramdisk.
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- patch to generic ramdisc driver to allow a device match hook
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- mainbus/ramdisc.c removed.
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- generic ramdisc has now replaces to mainbus/ramdisc.
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- fault.c reformatted
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- new compile symbols introduced to comile in debug code for
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fault correction.
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- all remnants of the trace_debug code removed.
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- armfpe code moved from arm32/fpe-arm/arm32 to arm32/fpe-arm/
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- fu*() su*() functions moved from libkern into arm32/fusu.c
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- added code to locore.S to traceback frames on the user process
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stack
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- added variable to enable / disable tracing back of user process
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stacks
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- added syscall to control user stack trackbacks.
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- optimised ARM FPE exception delivery code
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- implemented ARM FPE post processing callback glue
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- ARM FPE post processor now calls user
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- ARM FPE post processor optimised to recover some of the
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performance lost by calling userret()
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- integrated alpha version of the etherH driver
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- updated ramdisc hooks to removed the need for a rd_match_hook()
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function
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- added Oak to the list of podule manufacturers
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- kernel now reconised Oak SCSI I cards.
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- Added generic NCR5380 SCSI driver code
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- integrating in alpha version of the oak SCSI driver
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26/01/96
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- merged in latest updates from the NetBSD-current source tree
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29/01/96
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- code updated for merging into NetBSD source tree
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02/02/96
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- assembly symbol file now names assym.h instead of assym.s
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- The symbol LOCORE has been replaced with _LOCORE
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- ramdisc loading code in now compiled in conditionally on
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RAMDISK_HOOKS
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- Further development of hydrabus device.
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- cpus can noe be attached to both the mainbus and the hydrabus
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- hooks for hydrabus device updated in pmap.c syscall.c and
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machdep.c
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- Extra comments added in exception.S
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- sizeof(struct trapframe) now defined in assym.h
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- register fixup for data transfer instruction aborts now handles
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LDC/STC instructions i.e. hardware executed LDF/STF
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- configuration files updated for latest devices
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- fixed use of mkdepend in makefile
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- fixed the bug that caused panics when issuing the mode change
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ioctl to the vidcvideo device
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- console code version number updated
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- Updated armfpe_post_proc() to take a trapframe pointer as the
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second argument
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- updated the armfpe_post_proc_glue() code to fake a trapframe
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structure from the FPE frame before calling the post proc handler
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so that sendsig has a valid trapframe in p->p_md.md_regs
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- updated the armfpe_post_proc_glue() code to patch the FPE frame
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with data from the trapframe on return from the post proc handler.
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- signal delivery is now working during FP instructions.
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- mondef code resurrected and renamed to setdisplay and moved to the
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stand directory.
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NetBSD/arm32 source code is now merged in to the NetBSD source tree.
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All code changes are now logged via CVS and are available from the
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NetBSD source-changes mailing list.
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